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/*
* Copyright 2010, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "CachedPrefix.h"
#include "CachedLayer.h"
#include "FloatRect.h"
#include "LayerAndroid.h"
namespace android {
#if USE(ACCELERATED_COMPOSITING)
IntRect CachedLayer::adjustBounds(const LayerAndroid* root,
const IntRect& bounds) const
{
const LayerAndroid* aLayer = layer(root);
if (!aLayer) {
DBG_NAV_LOGD("no layer in root=%p uniqueId=%d", root, mUniqueId);
#if DUMP_NAV_CACHE
if (root)
mDebug.printRootLayerAndroid(root);
#endif
return bounds;
}
FloatRect temp = bounds;
const FloatPoint& position = aLayer->position();
temp.move(position.x(), position.y());
const FloatPoint& translation = aLayer->translation();
temp.move(translation.x(), translation.y());
IntRect result = enclosingIntRect(temp);
DBG_NAV_LOGD("root=%p aLayer=%p [%d]"
" bounds=(%d,%d,w=%d,h=%d) pos=(%g,%g) trans=(%g,%g)"
" result=(%d,%d,w=%d,h=%d) offset=(%d,%d)",
root, aLayer, aLayer->uniqueId(),
bounds.x(), bounds.y(), bounds.width(), bounds.height(),
position.x(), position.y(), translation.x(), translation.y(),
result.x(), result.y(), result.width(), result.height(),
mOffset.x(), mOffset.y());
result.move(-mOffset.x(), -mOffset.y());
return result;
}
const LayerAndroid* CachedLayer::layer(const LayerAndroid* root) const
{
if (!root || mLayer)
return mLayer;
return mLayer = root->findById(mUniqueId);
}
SkPicture* CachedLayer::picture(const LayerAndroid* root) const
{
const LayerAndroid* aLayer = layer(root);
if (!aLayer)
return 0;
DBG_NAV_LOGD("root=%p aLayer=%p [%d] picture=%p",
root, aLayer, aLayer->uniqueId(), aLayer->picture());
return aLayer->picture();
}
#if DUMP_NAV_CACHE
CachedLayer* CachedLayer::Debug::base() const {
return (CachedLayer*) ((char*) this - OFFSETOF(CachedLayer, mDebug));
}
void CachedLayer::Debug::print() const
{
CachedLayer* b = base();
DUMP_NAV_LOGD(" // int mCachedNodeIndex=%d;", b->mCachedNodeIndex);
DUMP_NAV_LOGD(" LayerAndroid* mLayer=%p;", b->mLayer);
DUMP_NAV_LOGD(" int mOffset=(%d, %d);", b->mOffset.x(), b->mOffset.y());
DUMP_NAV_LOGD(" int mUniqueId=%p;\n", b->mUniqueId);
}
#endif
#if DUMP_NAV_CACHE
int CachedLayer::Debug::spaces;
void CachedLayer::Debug::printLayerAndroid(const LayerAndroid* layer)
{
++spaces;
SkRect bounds;
layer->bounds(&bounds);
DUMP_NAV_LOGX("%.*s layer=%p [%d] (%g,%g,%g,%g) picture=%p clipped=%s",
spaces, " ", layer, layer->uniqueId(),
bounds.fLeft, bounds.fTop, bounds.width(), bounds.height(),
layer->picture(), layer->haveClip() ? "true" : "false");
for (int i = 0; i < layer->countChildren(); i++)
printLayerAndroid(layer->getChild(i));
--spaces;
}
void CachedLayer::Debug::printRootLayerAndroid(const LayerAndroid* layer)
{
spaces = 0;
printLayerAndroid(layer);
}
#endif
#endif // USE(ACCELERATED_COMPOSITING)
}
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